Diagnostic test device with removable overcap



FIG. 1 is a front, top, left side perspective view of our diagnostic test device, with the cap removed, showing our new design;

FIG. 2 is a front, top, left side perspective view thereof with the cap installed;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a left side elevational view thereof. 

The ornamental design for diagnostic test device with removable overcap, as shown and described. 